Cheapest return flights from Newark to Seoul in October from $1038

Best time to book flights for Newark (EWR) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Newark (EWR) to Seoul (ICN) in October 2025 (see full year).

Return flights

01 Oct - 31 Oct Ethiopian Airlines
27 Oct - 24 Nov Alaska Airlines
16 Oct - 23 Oct Spirit Airlines
03 Oct - 28 Oct Spirit Airlines
01 Oct - 14 Oct Alaska Airlines
01 Oct - 18 Oct Alaska Airlines
01 Oct - 04 Nov Alaska Airlines
22 Oct - 05 Nov Alaska Airlines
28 Oct - 04 Nov Turkish Airlines
21 Oct - 24 Nov Spirit Airlines
27 Oct - 24 Nov Air Premia direct
23 Oct - 02 Nov Air Premia direct
03 Oct - 18 Oct Spirit Airlines
01 Oct - 12 Oct Alaska Airlines
17 Oct - 26 Oct Spirit Airlines
03 Oct - 12 Oct Spirit Airlines
04 Oct - 18 Oct Spirit Airlines
21 Oct - 24 Nov Air Premia direct
16 Oct - 02 Nov Spirit Airlines
21 Oct - 20 Nov Ethiopian Airlines

Also check the deals for one-way flights from Newark to Seoul in October.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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